Apache HTTP Server 2.4 Problem Diagnosis
Apache HTTP Server 2.4 Problem Diagnosis
Apache HTTP Server 2.4 Problem Diagnosis
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What kinds of issues encountered<br />
<strong>Apache</strong> <strong>HTTP</strong><br />
<strong>Server</strong> <strong>2.4</strong><br />
<strong>Problem</strong><br />
<strong>Diagnosis</strong><br />
Jeff Trawick<br />
Introduction<br />
What kinds of<br />
issues<br />
encountered<br />
Using tools<br />
inside the web<br />
server<br />
Looking from<br />
the outside<br />
What if you<br />
build the code<br />
differently<br />
Compare with<br />
httpd 2.2 and<br />
nginx<br />
References<br />
and further<br />
reading<br />
Crash<br />
Hang of server<br />
Stall of individual requests<br />
Termination<br />
Bad response time<br />
Limited concurrency without problem symptoms<br />
High CPU<br />
High memory<br />
High consumption of other pooled resources<br />
Incorrect output - wrong transformation<br />
Incorrect output - missing/bad protocol element
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